From owner-freebsd-fs@FreeBSD.ORG Fri Jan 9 01:47:38 2004 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CA89F16A4CE; Fri, 9 Jan 2004 01:47:38 -0800 (PST) Received: from mail.enyo.de (mail.enyo.de [212.9.189.167]) by mx1.FreeBSD.org (Postfix) with ESMTP id 94BB343D5C; Fri, 9 Jan 2004 01:47:37 -0800 (PST) (envelope-from fw@deneb.enyo.de) Received: (debugging) helo=deneb.enyo.de ip=212.9.189.171 name=deneb.enyo.de Received: from deneb.enyo.de ([212.9.189.171]) by mail.enyo.de with esmtp id 1AetFG-000835-VF; Fri, 09 Jan 2004 10:47:58 +0100 Received: from fw by deneb.enyo.de with local (Exim 4.30) id 1AetEt-0001Uf-19; Fri, 09 Jan 2004 10:47:35 +0100 Date: Fri, 9 Jan 2004 10:47:35 +0100 To: Tim Robbins Message-ID: <20040109094734.GA5565@deneb.enyo.de> References: <20040108220703.GA19764@deneb.enyo.de> <3FFE7644.2020402@freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3FFE7644.2020402@freebsd.org> User-Agent: Mutt/1.5.4i From: Florian Weimer cc: freebsd-fs@freebsd.org Subject: Re: nullfs on 5.1 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Jan 2004 09:47:39 -0000 Tim Robbins wrote: > One major potential deadlock has been fixed since the release of 5.1. If > you find a reproducible way of deadlocking nullfs on 5.2 or a -current > snapshot less than 6 months old, submit a bug report. Thanks, I'll try to build RELENG_5_2. > >Is nullfs essentially unsuported, or is it just broken? What's the > >status of unionfs (the manpage is rather discouraging). > > > > > > > Nullfs is unsupported, but works well except for a few outstanding bugs > (e.g. accessing some kinds of special files on the lower layer through > the upper layer causes a panic). So I should be safe if I copy /dev? Good to know.